Black tea is a variety of tea that is more oxidized than the oolong, green, and white varieties. All four varieties are made from leaves of Camellia sinensis. Black tea is generally stronger in flavor, taste and contains more caffeine than the less oxidized teas. Black tea is often blended and mixed with various other plants in order to obtain a beverage. Black tea is antioxidant rich, stimulant, satisfying, and aside from being an enjoyable drink, it can actually be good for your health.